Dead nozzle compensation

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/01 (2006.01) B41J 2/135 (2006.01) B41J 29/393 (2006.01)

Patent

CA 2508141

A printer controller for supplying dot data to a printhead in a predetermined order, the printhead comprising at least first and second printhead modules, each of which comprises a plurality of printing nozzles and being disposed adjacent each other such that a printing width of the printhead is wider than a printing width of either of the printhead modules, the printer controller being configured to order and time supply of the dot data to the printhead modules in accordance with their respective widths, such that a difference in relative widths of the printhead modules is at least partially compensated for.

L'invention concerne une unité de commande d'une imprimante permettant de fournir des données de points à une tête d'impression selon un ordre prédéterminé, la tête d'impression comprenant au moins des premier et second modules renfermant individuellement une pluralité de buses d'impression et étant disposés de façon adjacente l'un par rapport à l'autre, de manière que la largeur d'impression de la tête d'impression soit plus large que la largeur d'impression d'un module quelconque de la tête d'impression. L'unité de commande est conçue de manière à ordonner et à fournir en fonction du temps des données de points aux modules de la tête d'impression selon leurs largeurs respectives, de manière qu'une différence au niveau des largeurs relatives des modules de la tête d'impression soit au moins partiellement compensée.

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